Bhutan had a serious street dog problem that was turning off high-end tourists and spreading rabies. So the Buddhist kingdom did something no other country in the world has done: carried out a nationwide spay/neuter and vaccine program.

In New Hampshire, it wasn't always this easy to get mangosteens and other produce from Asia and Africa. But with immigrant communities growing in the area, some locals are finding ways to get familiar foods from back home onto the plates of Nepalese, Bhutanese and other immigrants here in the US..

The new NOVA special, "Vaccines: Calling the Shots," explores the lingering global resistance to vaccination campaigns. Case studies from around the world explain just how bad the impact can be when groups opt out of childhood shots.

Bigfoot enthusiasts sent suspected hair samples of the creature to Oxford University for DNA testing, along with alleged hair samples in museums. The results turned up a huge range of animals — from bears to wolves — but no Yetis.

Along India's remote northern border, a writer finds that country borders — and even nationality — make little difference to people day by day. Yet the India-Pakistan partition is still very much a powerful memory.

A group of South Asian Americans are trying to document the stories of other South Asian Americans' first days in the United States. As more immigrate here, they don't want to lose track of what it was like when they first arrived.

Lakes high in the world's mountains are becoming increasingly dangerous to the towns that have sprouted up near them. The lakes are prone to floods, typically caused when the mountain glaciers that feed them shed a chunk of ice and rock, forcing thousands of gallons over the banks.

Aurora, Colo., is one of the most diverse cities in that state. It has a vibrant community of refugees, many of whom don't speak English. Recently, a refugee group pulled together an event to try and help people cross the language barrier and get the facts about the violent movie theater shooting there.

The new NOVA special, "Vaccines: Calling the Shots," explores the lingering global resistance to vaccination campaigns. Case studies from around the world explain just how bad the impact can be when groups opt out of childhood shots.

Bigfoot enthusiasts sent suspected hair samples of the creature to Oxford University for DNA testing, along with alleged hair samples in museums. The results turned up a huge range of animals — from bears to wolves — but no Yetis.

The United Nations convened on Monday to discuss a topic that isn't usually on their agenda: happiness. Throughout the day, speakers at the U.N. put forward their thoughts on how to measure and improve well-being around the world.

The answer to today's Geo Quiz is Thimphu, the capital of Bhutan. People in Bhutan headed to the polls today in their nation's first parliamentary election. Anchor Marco Werman spoke with the BBC's Chris Morris, who's in Thimphu.

Aurora, Colo., is one of the most diverse cities in that state. It has a vibrant community of refugees, many of whom don't speak English. Recently, a refugee group pulled together an event to try and help people cross the language barrier and get the facts about the violent movie theater shooting there.

Lakes high in the world's mountains are becoming increasingly dangerous to the towns that have sprouted up near them. The lakes are prone to floods, typically caused when the mountain glaciers that feed them shed a chunk of ice and rock, forcing thousands of gallons over the banks.